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Develop, test and deploy BOSH releases without BOSH

branch: master
README.md

Notice

bosh-solo has been deprecated in favor of bosh-lite or nise.

bosh-solo

Develop, test and deploy BOSH releases without BOSH. Develop an entire working system quickly before you deploy to production.

Just wanted to share a small personal achievement, last night I was able to take a release I had created (actually, the redis-on-demand from your tutorial) and bring it up using bosh-solo, connect to it, set/get, etc.
I've gotta say, this is VERY slick. Awesome work on this. - Brian McClain, creator of BoshDB

BOSH releases describe a complete running system from the ground up - compiled packages from source, templated configuration files, and monit to start/stop processes. BOSH itself then allows you to deploy your release across 1 or more VMs with optional persistent disks on the target infrastructure of your choice.

Compilation of packages is only performed once. Compilation errors of packages and template rendering errors in jobs do not affect the running system.

This is a tool to iteratively develop and test a BOSH release in a local or remote VM, without needing to use a running BOSH system. It also allows you to see all the steps - package compilation, template rendering, and monit running jobs - all in the same VM.

Overview

This is a tool to use during development of your BOSH releases. Each time you make a change to a package (sources or packaging) or jobs (templates or scripts), you can apply the updates to a virtual machine (local Vagrant or remote).

When applying each BOSH release into a VM you can specify which jobs to run (runs all by default) and what custom properties (aka databags or attributes) are to be applied to the templates. This way you can both document different use cases of your BOSH release and test that the examples work as expected.

[within the VM as root]
sm bosh-solo update path/to/manifest.yml

It may be a good idea to include example manifests within an examples/ folder. For a two-tiered web application, possible manifests might be examples/with_database.yml with examples/without_database.yml. The latter might look like:

---
jobs:
  - webapp
  - postgres
properties:
  webapp:
    use_nginx: 1
    run_migrations: 1
    appstack: puma
  postgres:
    host: 127.0.0.1
    user: todo
    password: p03tgR3s
    database: todo

You could also use a testing tool such as roundup, minitest or rspec to do local integration tests. Within each group of tests, apply the current BOSH release with an example manifest and assert that specific processes and outcomes are observed.

Example manifests assume that there is only one VM. For example, the properties.postgres.host is set to 127.0.0.1. When the BOSH release is deployed into production it would be a real IP or DNS.

Allowing you to iterate on BOSH releases within a local VM means you can quickly see any errors during package compilation or the running of jobs via monit. All log files within /var/vcap/sys/log can be displayed or tailed using one of the following examples:

sm bosh-solo tail_logs -n 200 # for each log file show last 200 lines
sm bosh-solo tail_logs -f     # for each log file, tail any new output
sm bosh-solo tail_error_logs  # as above, only for err/error log files

Installation

The project is installed and operated by the SM framework. Installation instructions for SM, git

Install SM and git:

apt-get install git-core curl -y
curl -L https://get.smf.sh | sh
source /etc/profile.d/sm.sh

Install bosh-solo and prepare the target machine/VM for deploying a BOSH release:

sm ext install bosh-solo git://github.com/drnic/bosh-solo.git
sm bosh-solo install_dependencies

Updating bosh-solo

sm ext update bosh-solo

Other commands

To discover the complete list of available commands, either read the scripts in bosh-solo bin/ folder, or run:

sm bosh-solo

Usage

The are two modes to use: a local Vagrant VM or a remote VM.

Vagrant usage

Install SM framework and bosh-solo into your local machine. Do not run install_dependencies as this is a script for the target Vagrant VM, not your laptop.

[inside local machine]
curl -L https://get.smf.sh | sh
source /etc/profile.d/sm.sh
sm ext install bosh-solo git://github.com/drnic/bosh-solo.git

Create a Vagrantfile into your BOSH release and launch Vagrant. If you haven't used Vagrant to download the lucid64 box before it will be automatically downloaded.

sm bosh-solo local vagrantfile
gem install vagrant
vagrant up
vagrant ssh

Inside your Vagrant VM you now install SM, the bosh-solo extension, and prepare the VM with dependencies:

[inside vagrant as vagrant user]
sudo su -

[inside vagrant as root user]
apt-get install curl git-core -y

curl -L https://get.smf.sh | sh
source /etc/profile.d/sm.sh
sm ext install bosh-solo git://github.com/drnic/bosh-solo.git
sm bosh-solo install_dependencies
source /etc/profile.d/rvm.sh
rvm 1.9.3 --default

You are now ready to install & deploy your bosh release over and over again.

Each time you want to deploy a change to your BOSH release into your Vagrant VM:

[within your local machine in BOSH release folder]
bosh create release --force

[inside vagrant as root user]
cd /vagrant/
sm bosh-solo update examples/example.yml

The generated Vagrantfile forwards the internal port :80 to your local machine's port :5001. That is http://localhost:5001 in your browser will go to localhost:80 within your Vagrant VM.

Remote VM usage

Clone your BOSH release into your remote VM. Create a dev release (which will also sync download any blobs that are required), and run the bosh-solo update command.

git clone git://location.com/your/bosh_release.git
cd bosh_release
bosh create release
sm bosh-solo update path/to/manifest.yml

Whenever you update your BOSH release repository, you can fetch the changes and update your remote VM with the new packages and jobs:

git pull origin master
bosh create release --force
sm bosh-solo update path/to/manifest.yml

Full tutorials

Full tutorial on local Vagrant VM

Commands below are run either within your local machine (laptop) or within a Vagrant VM that will be provisioned:

Fetch the example BOSH release and create a release:

[inside local machine]
git clone git://github.com/drnic/bosh-sample-release.git -b merge
cd bosh-sample-release
gem install bosh_cli
bosh create release

Now install bosh-solo via SM framework:

[inside local machine]
curl -L https://get.smf.sh | sh
source /etc/profile.d/sm.sh
sm ext install bosh-solo git://github.com/drnic/bosh-solo.git

Now create a Vagrant file and launch Vagrant VM:

[inside local machine]
sm bosh-solo local vagrantfile
gem install vagrant
vagrant up
vagrant ssh

You are now inside the Vagrant VM. Install bosh-solo within the VM. Also install the dependencies required for deploying BOSH releases via bosh-solo.

[inside vagrant as vagrant user]
sudo su -

[inside vagrant as root user]
apt-get install curl git-core -y

curl -L https://get.smf.sh | sh
source /etc/profile.d/sm.sh
sm ext install bosh-solo git://github.com/drnic/bosh-solo.git
sm bosh-solo install_dependencies

source /etc/profile.d/rvm.sh
rvm 1.9.3 --default

Now go to /vagrant directory where your bosh release is shared within the VM:

[inside vagrant as root user]
cd /vagrant
sm bosh-solo update examples/solo.yml

Full tutorial on remote VM

All commands are run within your remove, Ubuntu 64-bit VM.

NOTE: Remember to attach a large enough root volume for your release (or attach it at /var/vcap). For example, the oss-release (jenkins/gerrit) is too big to build against the default size 8G root volume created by fog.

git clone git://github.com/drnic/bosh-sample-release.git -b merge
cd bosh-sample-release
sm bosh-solo update examples/solo.yml

The complete, end-to-end tutorial is therefore:

sudo su -

apt-get install curl git-core -y

curl -L https://get.smf.sh | sh
source /etc/profile.d/sm.sh

sm ext install bosh-solo git://github.com/drnic/bosh-solo.git
sm bosh-solo install_dependencies

source /etc/profile.d/rvm.sh
rvm 1.9.3 --default

git clone git://github.com/drnic/bosh-sample-release.git -b merge
cd bosh-sample-release
bosh create release
sm bosh-solo update examples/solo.yml

Miscellaneous extras

Upgrade existing bosh-solo VM

Instead of upgrading to newer bosh-solo vagrant boxes, you can upgrade an existing bosh:

sudo su -
sm ext install bosh-solo git://github.com/drnic/bosh-solo.git
rm -rf /bosh
sm bosh-solo install_dependencies
cd /vagrant

Use package Ruby instead of RVM

In the Vagrant shell, the current ruby is from RVM (1.9.3). If you have installed a ruby within your BOSH release you can have the shell switch to it:

# [defaults to name:boshruby path:/var/vcap/packages/ruby]
sm bosh-solo rvm boshruby
rvm ext-boshruby

# [defaults to name:boshruby]
sm bosh-solo rvm boshruby /var/vcap/packages/ruby
rvm ext-boshruby

# Explict path and name
sm bosh-solo rvm boshruby /var/vcap/packages/ruby19 boshruby19
rvm ext-boshruby19

Development

This section described the processes and rules for developing on bosh-solo itself.

The HEAD of the master branch is the currently released version of bosh-solo, due to the installation method with SM framework.

Therefore, all development and testing should be done in branches.

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request
  6. Send extra spicy Doritos to Dr Nic
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